#synthetic {
	left: -20px;
	position: fixed;
	top: -20px;
	// z-index: -1;
	pointer-events: none;
	min-height: 120vh;
	min-width: 120vw;
	background-color: #000;
	background: linear-gradient(-45deg, #000 45%, #001467 50%, #000 55%);
	background-size: 600% 600%;
	animation: gradient 16s linear infinite;
}

@keyframes gradient {
	0% {
		background-position:0% 51%
	}
	50% {
		background-position:100% 50%
	}
	100% {
		background-position:0% 51%
	}
}